fig5

Figure 5. The hierarchically structured biomaterials promote cell migration. (A) The adhesion of rBMSCs in 3D-printed conch-like scaffolds with different spacing. (B) Migration images of rBMSCs in 3D-printed conch-like scaffolds with different spacing at various time points. Statistical analysis of cell migration in the Z direction (C) and XY direction (D). Reproduced with permission^[113]. Copyright 2022, Publishing services by Elsevier BV on behalf of KeAi Communications Co. Ltd. *P < 0.05, ***P < 0.001.